1N4933G - 1N4937G GLASS PASSIVATED JUNCTION FAST RECOVERY RECTIFIERS PRV : 50 - 600 Volts Io : 1.0 Amperes DO - 41 FEATURES : * * * * * * Glass passivated chip High current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) MECHANICAL DATA : 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) * Case : DO-41 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.34 gram Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL 1N4933G 1N4934G 1N4935G 1N4936G 1N4937G UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 V Maximum RMS Voltage VRMS 35 70 140 280 420 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 V Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 50 C Peak Forward Surge Current, 8.3ms Single half sine wave superimposed on rated load (JEDEC Method) Maximum Peak Forward Voltage at IF = 1.0 A Maximum DC Reverse Current Ta = 25 C at Rated DC Blocking Voltage Ta = 100 C IF(AV) 1.0 A IFSM 30 A VF 1.2 V IR 5.0 A IR(H) 100 A Maximum Reverse Recovery Time ( Note 1 ) Trr 150 ns Typical Junction Capacitance ( Note 2 ) CJ 15 pf Junction Temperature Range TJ - 65 to + 150 C Storage Temperature Range TSTG - 65 to + 150 C Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 01 : April 17, 2002 RATING AND CHARACTERISTIC CURVES ( 1N4933G - 1N4937G ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Trr 10 + 0.5 D.U.T. + 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx.) 1 - 0.25 OSCILLOSCOPE ( NOTE 1 ) - 1.0 A SET TIME BASE FOR 50-100 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 1 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 1.0 0.8 0.6 0.4 0.2 8.3 ms SINGLE HALF SINE W A V E 24 Ta = 50 C 18 12 6 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 0 175 1 AMBIENT TEMPERATURE, ( C) 20 10 Pulse W idth = 300 s 2% Duty Cycle TJ = 25 C 1.0 0.1 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS Page 2 of 2 4 6 10 20 40 60 100 1.8 2.0 FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES FIG.4 - TYPICAL FORWARD CHARACTERISTICS 0.01 0 2 NUMBER OF CYCLES AT 60Hz 10 TJ = 100 C 1.0 0.1 TJ = 25 C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 01 : April 2, 2002